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625252992 = 27371329617
BaseRepresentation
bin100101010001001…
…001101010000000
31121120112010212020
4211101021222000
52240031043432
6142013201440
721331364010
oct4521115200
91546463766
10625252992
112a0a36911
12155490280
139c6cacb0
145d07bc40
1539d5a22c
hex25449a80

625252992 has 256 divisors, whose sum is σ = 2118009600. Its totient is φ = 158957568.

The previous prime is 625252961. The next prime is 625253003. The reversal of 625252992 is 299252526.

It is a super-3 number, since 3×6252529923 (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1013068 + ... + 1013684.

It is an arithmetic number, because the mean of its divisors is an integer number (8273475).

Almost surely, 2625252992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625252992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059004800).

625252992 is an abundant number, since it is smaller than the sum of its proper divisors (1492756608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625252992 is a wasteful number, since it uses less digits than its factorization.

625252992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 671 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 625252992 is about 25005.0593280640. The cubic root of 625252992 is about 855.1033205053.

The spelling of 625252992 in words is "six hundred twenty-five million, two hundred fifty-two thousand, nine hundred ninety-two".